# item.guide
Side-by-Side Comparison Food Additives & E-Numbers

E270: Lactic Acid (Biological Acidulant) vs. E955: Sucralose (Splenda / 600x Heat-Stable Sweetener)

Comparing 2 standards across 12 specifications. 12 key differences identified.

Comparing:
E270: Lactic Acid (Biological Acidulant)
E955: Sucralose (Splenda / 600x Heat-Stable Sweetener)

E270 (L-Lactic Acid) is a natural alpha-hydroxy acid produced by fermentation of carbohydrates by lactic acid bacteria (Lactobacillus). INS 270, ADI is Not Limited (Quantum Satis), imparting a smooth, mild sour taste in dairy, beers, and bakery sourdoughs.

View full E270: Lactic Acid (Biological Acidulant) spec sheet →

E955 (Sucralose) is a chlorinated disaccharide synthesized by selective chlorination of sucrose (replacing three hydroxyl groups with chlorine atoms). INS 955, ADI is 15 mg/kg bw/day, providing 600x sugar sweetness with zero calories and full heat stability for baking.

View full E955: Sucralose (Splenda / 600x Heat-Stable Sweetener) spec sheet →

Specification Comparison Table

12 Parameters
Parameter / Spec
E-Number Code
E270 E955
INS / Codex Number
INS 270 INS 955
Functional Class
Acidity Regulator, Preservative, Flavoring Agent Non-Nutritive High-Intensity Sweetener
Acceptable Daily Intake (ADI)
Not Limited (Quantum Satis) 15 mg / kg body weight per day (US FDA: 5 mg/kg)
Common Target Foods
Yogurt, sourdough breads, sour ales (Berliner Weisse), olives, confectionery, carcass rinses Protein powders, baked keto goods, sugar-free syrups, beverages, Splenda packets
Dietary Compliance
100% Vegan (Bacterial fermentation of beet/corn sugar), Halal, Kosher 100% Vegan, Halal, Kosher, Diabetic Safe, Dental Safe (Non-cariogenic)
Safety Approval
EFSA Authorized / FDA GRAS (21 CFR 184.1061) EFSA Authorized / FDA Approved (21 CFR 172.831)
Chemical Formula
C3H6O3 (2-hydroxypropanoic acid, pKa 3.86)
Primary Mechanism
Provides sustained buffering and mild tartness while suppressing spore-forming spoilage bacteria
Relative Sweetness Index
600x Sucrose
Caloric Value
0.0 kcal / g (Not recognized by digestive enzymes; 85% excreted unabsorbed) kcal/g
Thermal Stability
Thermally stable up to 200°C (392°F) (Fully bake-stable)

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E270: Lactic Acid (Biological Acidulant) vs. E503: Ammonium Bicarbonate (Baker's Ammonia / Hartshorn) → Compare E270: Lactic Acid (Biological Acidulant) vs. E509: Calcium Chloride (Firming Agent / Cheese Salt) → Compare E270: Lactic Acid (Biological Acidulant) vs. E621: Monosodium Glutamate (MSG / Umami Flavor Enhancer) → Compare E270: Lactic Acid (Biological Acidulant) vs. E627: Disodium Guanylate (GMP Umami Synergist) → Compare E270: Lactic Acid (Biological Acidulant) vs. E631: Disodium Inosinate (IMP Meat Umami Synergist) → Compare E270: Lactic Acid (Biological Acidulant) vs. E635: Disodium 5'-Ribonucleotides (I+G Blend) → Compare E270: Lactic Acid (Biological Acidulant) vs. E950: Acesulfame Potassium (Ace-K / 200x Sweetener) → Compare E270: Lactic Acid (Biological Acidulant) vs. E951: Aspartame (Dipeptide Sweetener / 200x) → Compare E270: Lactic Acid (Biological Acidulant) vs. E960: Steviol Glycosides (Reb-A / Stevia Extract) → Compare E270: Lactic Acid (Biological Acidulant) vs. 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